Neuroanatomy Dysarthria More Dysarthria Apraxia of Speech Stuttering
100
What is the smallest unit of the nervous system?
Neuron
100
What is the definition of Dysarthria?
A general label for a group of speech disorders stemming from impaired control of the speech muscles
100
Which Dysarthria(s) are affected by damage to the Basal Ganglia? (What are some speech characteristics of both)
Hypokinetic- slow volitional speech movements,
tremor is speech/respiration muscles, strained/breathy voice quality, highly variable articulation
Hyperkinetic-
quick: rapid, unpatterned, involuntary movements, prolonged intervals between consonants, distorted vowels
slow: sustained involuntary movements that build slowly to a peak before gradually subsiding, prolonged phonemes, short phrases/slow rate
100
What is Apraxia of Speech?
A motor speech disorder in which the planning and organization of speech movements are impaired
100
What is the definition of stuttering?
involuntary repetition of syllables, prolongation of sounds, blocking of sounds, hesitations, interjections/restarted phrases
200
What is the number of cranial and spinal nerves in the PNS?
12 pairs of cranial and 31 pairs of spinal nerves
200
What is Spastic Dysarthria associated with? Flaccid?
UMN; LMN
200
Which Dysarthria is associated with degenerative disorders such as Parkinson's?
Hypokinetic (think of tremor)
200
What are some speech characteristics of apraxia of speech?
Highly variable errors
Obvious groping during speech
Errors increase as word length increases
Substitution/clusters/placement errors most common
200
When does stuttering most commonly occur?
2-5 yrs, peak at 4 yrs (most common in boys)
300
What makes up the CNS?
The brain/spinal cord
300
What is Spastic Dysarthria caused by? What kind of damage?
Caused by strokes/degenerative diseases; bilateral UMN damage
300
What are the 3 steps for assessment of Dysarthria?
1. Systematic perceptual eval
2. Assess oral mech at rest and nonspeech
3. Evaluate through instrumentation
300
Where is the damage usually located in Apraxia of Speech patients?
Language-dominant hemisphere; posterior frontal lobe around Broca's area (can be parietal lobe)
300
Approximately what percentage are children thought to have a fluency disorder? Adolescents?
1% for children; .8% for adolescents
400
Broca's is located in?
Primary somatosensory is located in?
Primary auditory is located in?
Frontal
parietal
temporal
400
What are some speech characteristics of Spastic Dysarthria?
Strained-strangled voice quality
Imprecise consonant articulation
Hypernasality/lower pitch
400
In a dysarthria evaluation, the SLP evaluates all of the following systems EXCEPT:

Respiratory
Voice
Articulatory
Central Nervous System
CNS
400
What is the leading cause of Apraxia of Speech in adults?
Stroke
400
People who produce more than ___ disfluencies per ___ words tend to be perceived to have a fluency disorder. Average stuttering-like disfluency is __ sec
10 per 100 words; 1 second
500
What are the 6 lobes of the cerebrum?
Frontal
Parietal
Occipital
Temporal
Insular
Limbic
500
What are some speech characteristics of Ataxic Dysarthria?
Irregular force, timing and amplitude of movements
Irregular and explosive changes in loudness/pitch
Disrupted articulation "drunken speech"
500
What are the 5 purposes of evaluation of Dysarthria?
Determine if speech is abnormal
Evaluate nature and severity of speech abnormalities
Determine causes of speech abnormalities
Determine if treatment is appropriate
Identify potential directions for treatment
500
Apraxia of Speech commonly co-occurs which what?
Broca's aphasia (think of where the damage is)
500
What are the 4 main components for assessing candidacy of treatment?
Case history
Interview
Assessment of communication/related behaviors
Written report






Exam 3 Speech Disorders

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